A lot of surveys where I answered ~10 minutes of questions before being kicked out without payment as not suitable. Not preliminary questions either - clearly the topic of the survey. Seems dodgy - clearly hust didn't want to pay out. There were also several where the app or web page just froze or lost connection and went back to homepage - usually surveys where you had to open another app or take a photo or something like that. Not very stable. A lot of time lost - only a fraction of surveys paid out at all. Cashout process seems unnecessarily slow.
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